[INFO] fetching crate bincode-grpc-macro 0.7.2...
[INFO] documenting bincode-grpc-macro-0.7.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate bincode-grpc-macro 0.7.2 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate bincode-grpc-macro 0.7.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bincode-grpc-macro 0.7.2
[INFO] finished tweaking crates.io crate bincode-grpc-macro 0.7.2
[INFO] tweaked toml for crates.io crate bincode-grpc-macro 0.7.2 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4058634e908e5a4fe42c0d0832bd588f8aaf86752552f9d7c03f6e7b88d12cc2
[INFO] running `Command { std: "docker" "start" "-a" "4058634e908e5a4fe42c0d0832bd588f8aaf86752552f9d7c03f6e7b88d12cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4058634e908e5a4fe42c0d0832bd588f8aaf86752552f9d7c03f6e7b88d12cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4058634e908e5a4fe42c0d0832bd588f8aaf86752552f9d7c03f6e7b88d12cc2", kill_on_drop: false }`
[INFO] [stdout] 4058634e908e5a4fe42c0d0832bd588f8aaf86752552f9d7c03f6e7b88d12cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af1700eb0e163ab52e08387651e36e898e6e58ab18d56fc8850b3d85783ca7a0
[INFO] running `Command { std: "docker" "start" "-a" "af1700eb0e163ab52e08387651e36e898e6e58ab18d56fc8850b3d85783ca7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]  Documenting bincode-grpc-macro v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::export::TokenStream2;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bincode-grpc-macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name bincode_grpc_macro src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern heck=/opt/rustwide/target/debug/deps/libheck-79fc0aac8572ec07.rmeta --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-0d7fe1da18a636d8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-500b782da00a7671.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-f1f068ad63f88efb.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.7.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "af1700eb0e163ab52e08387651e36e898e6e58ab18d56fc8850b3d85783ca7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1700eb0e163ab52e08387651e36e898e6e58ab18d56fc8850b3d85783ca7a0", kill_on_drop: false }`
[INFO] [stdout] af1700eb0e163ab52e08387651e36e898e6e58ab18d56fc8850b3d85783ca7a0
